CVE-2026-67528

OpenProject before 17.6.0 exposes sensitive admin_only custom option labels via GET /api/v3/custom_options/:id due to missing visible(current_user) checks when resolving by global numeric id. Authenticated non-admin users can enumerate option IDs and read restricted labels. The issue is fixed in ...

CVE-2026-67528 OpenProject: Improper Access Control through /api/v3/custom_options/:id via Path "id" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/customoptions/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checking visiblecurrentuser, so authenticated non-admin users could...

CVE-2026-67528 OpenProject: Improper Access Control through /api/v3/custom_options/:id via Path "id" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/customoptions/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checking visiblecurrentuser, so authenticated non-admin users could...

CVE-2026-67528 OpenProject: Improper Access Control through /api/v3/custom_options/:id via Path "id" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/customoptions/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checking visiblecurrentuser, so authenticated non-admin users could...

CVE-2026-67527

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

CVE-2026-67527 OpenProject: Improper Access Control through /api/v3/work_packages/<X.id> via PATCH parameter "fileLinks"

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

CVE-2026-67527

OpenProject prior to v17.6.0 is affected by an improper access control vulnerability in PATCH /api/v3/work_packages/{id} via the _links.fileLinks parameter.Authenticated users with edit_work_packages but without manage_file_links could resolve Storages::FileLink records by raw id, detach or hard-...

EUVD-2026-51280

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

CVE-2026-67527 OpenProject: Improper Access Control through /api/v3/work_packages/<X.id> via PATCH parameter "fileLinks"

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

CVE-2026-67527 OpenProject: Improper Access Control through /api/v3/work_packages/<X.id> via PATCH parameter "fileLinks"

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

PT-2026-66573

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 17.6.0 Description Authenticated users with edit work packages permissions, but lacking manage file links permissions, can manipulate file links via the 'PATCH /api/v3/work packages/id' endpoint. By using the...

PT-2026-66574

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 17.6.0 Description Authenticated non-admin users can enumerate sequential custom option IDs to read labels belonging to admin-only user or group custom fields. This occurs because the endpoint "/api/v3/custom...

PT-2026-66602

Name of the Vulnerable Software and Affected Versions OpenProject versions prior to 17.6.0 Description An issue exists where the API endpoints 'GET /api/v3/time entries' and 'GET /api/v3/cost entries' render links.workPackage.title and links.workPackage.href via the associated resource in the fil...

CVE-2026-67529: Exposure of Sensitive Information to an Unauthorized Actor

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/timeentries and GET /api/v3/costentries rendered links.workPackage.title and links.workPackage.href through associatedresource in modules/costs/lib/api/v3/timeentries/timeentryrepresenter.rb and...

CVE-2026-67528: Incorrect Authorization

OpenProject is open-source, web-based project management software. Prior to 17.6.0, GET /api/v3/customoptions/:id resolved CustomOption records by global numeric id and allowed UserCustomField and GroupCustomField options without checking visiblecurrentuser, so authenticated non-admin users could...

CVE-2026-67527: Missing Authorization

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/workpackages/id accepted links.fileLinks and allowed authenticated users with editworkpackages but without managefilelinks to resolve Storages::FileLink records by raw id, detach or hard-delete...

CVE-2026-52785

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a SQL injection in timestamps functionality. OpenProject baseline comparison allows callers to request historic work-package attributes using the timestamps parameter. This vulnerability is fix...

CVE-2026-52781

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, the HTML sanitizer grants elements unrestricted data- attributes via :data wildcard. An attacker injects data-controller="poll-for-changes" into a work package description, causing Stimulus.js to mount ...

CVE-2026-52780

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution RCE. This vulnerability is fixed in 17.3.3 and 17.4.1...

CVE-2026-52782

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through /projects//settings/projectstorages/ via PATCH parameter "storagesprojectstorageprojectfolderid" leads to Access to Unauthorized Resources. A project-admin in one project can...